CN115324143A - Sludge drainage system for mud barge and drainage method thereof - Google Patents
Sludge drainage system for mud barge and drainage method thereof Download PDFInfo
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- CN115324143A CN115324143A CN202211263759.XA CN202211263759A CN115324143A CN 115324143 A CN115324143 A CN 115324143A CN 202211263759 A CN202211263759 A CN 202211263759A CN 115324143 A CN115324143 A CN 115324143A
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- 239000010802 sludge Substances 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 151
- 238000001914 filtration Methods 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000005086 pumping Methods 0.000 claims abstract description 51
- 239000012528 membrane Substances 0.000 claims abstract description 35
- 238000010276 construction Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 9
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8808—Stationary installations, e.g. installations using spuds or other stationary supports
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/005—Equipment for conveying or separating excavated material conveying material from the underwater bottom
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a sludge drainage system for a mud barge and a drainage method thereof, belonging to the technical field of dredging construction, wherein the sludge drainage system comprises a water filtering component, a water pumping device, a flow guide pipe, a liquid level meter and a controller; the water filtering component is placed in a sludge storage space of the hopper barge and comprises a pipe network, a filter pipe, a filter membrane and a water outlet pipe; the filter tubes are provided with a plurality of water permeable holes, the upper ends of the filter tubes are connected to the pipe network and communicated with the pipe network, the lower ends of the filter tubes are sealed and submerged in the sludge, and the periphery of each filter tube is provided with the water permeable holes; the filter membrane is wrapped on the periphery of the filter pipe with the water permeable hole part; the water outlet pipe is connected to the pipe network and communicated with the pipe network; the water pumping equipment is connected with the water outlet pipe; one end of the flow guide pipe is connected with the water pumping equipment, and the other end of the flow guide pipe extends out of the hopper; the liquid level meter is used for detecting the liquid level height in the sludge storage space; the controller is used for receiving the liquid level height detected by the liquid level meter and controlling the on-off of the water pumping equipment. This silt drainage system can extensively be applicable to current mud and refute, need not to refute to mud and reform transform.
Description
Technical Field
The invention belongs to the technical field of dredging construction, and particularly relates to a sludge drainage system for a mud barge and a drainage method thereof.
Background
In the dredging construction of a navigation channel or a foundation trench, the cleaned sludge is generally transported to an open sea mud throwing area by using a mud barge and is discharged. However, the sludge pumped into the hopper barge by the churning pump usually contains a large amount of water in a mud-water mixture state, and the large amount of water occupies a limited hopper space, so that the sludge amount of each transportation of the hopper barge is greatly reduced, the transportation times of the hopper barge are increased, and the sludge transportation efficiency is reduced and the transportation cost is increased. Meanwhile, the mud-water mixture discharged by the sludge barge can be quickly diffused in water after being discharged, and the influence on the open sea ecology is large.
In the dredging equipment for treating river pollution disclosed in patent CN213926442U, drainage of sludge in the sludge collecting tank is realized by fixing the drainage pump on the right side of the top of the inner cavity of the sludge collecting tank, however, the drainage is limited by the top drainage, and the sludge can only be guided in from the sludge guide pipe on the side part of the sludge collecting tank, so that the sludge barge needs to be reformed to a greater extent by adopting the drainage mode.
Therefore, how to provide a sludge drainage system which can be widely applied to the existing sludge barge is a technical problem which needs to be solved urgently at present.
Disclosure of Invention
Aiming at the technical problems, the invention provides a sludge drainage system for a mud barge and a drainage method thereof.
The invention provides a sludge drainage system for a mud barge, which comprises:
a water filtration assembly disposed within the hopper sludge storage space for filtering water from the sludge, comprising:
pipe network;
the upper ends of the filter tubes are connected to the same side of the pipe network and are communicated with the pipe network, the lower ends of the filter tubes are sealed to sink into sludge, and the periphery of each filter tube is provided with a plurality of water permeable holes;
the filtering membranes are arranged in one-to-one correspondence with the filtering pipes, and the filtering membranes wrap the peripheries of the parts, provided with the water permeable holes, of the filtering pipes;
one end of the water outlet pipe is connected to the pipe network and communicated with the pipe network;
the water pumping equipment is connected to one end, far away from the pipe network, of the water outlet pipe;
one end of the flow guide pipe is connected with the water pumping equipment, and the other end of the flow guide pipe extends out of the hopper to discharge water pumped by the water pumping equipment;
the liquid level meter is arranged in the sludge storage space and used for detecting the liquid level height in the sludge storage space;
and the controller is respectively connected with the liquid level meter and the pumping equipment to receive the liquid level height detected by the liquid level meter and control the on-off of the pumping equipment.
In some embodiments, the number of the water filtering assemblies is multiple, the pipe networks of the multiple water filtering assemblies are sequentially communicated through the water outlet pipe, and the water pumping equipment is connected to the water outlet pipe of the water filtering assembly at the tail end.
In some of these embodiments, the tubular network comprises a plurality of transverse conduits disposed in a transverse direction and a plurality of longitudinal conduits disposed in a longitudinal direction, the plurality of transverse conduits and the plurality of longitudinal conduits being in intersecting communication to form a mesh.
In some of these embodiments, each transverse conduit is connected to a plurality of filter tubes, the filter tubes connected to the same transverse conduit being arranged in a row along the extension of the transverse conduit; each longitudinal conduit is connected with a plurality of filter tubes, and the filter tubes connected with the same longitudinal conduit are arranged in a row along the extension direction of the longitudinal conduit; the filter tubes are perpendicular to the transverse conduits and the longitudinal conduits.
In some embodiments, a connecting rod is connected between two adjacent filter tubes in the same row and between two adjacent filter tubes in the same column, and the connecting position of the connecting rod and the filter tubes is located on the part of the filter tubes, which is not wrapped by the filter membrane.
In some of these embodiments, the connecting rods are located on the side of the filter membrane adjacent to the pipe network and are positioned adjacent to the filter membrane.
In some embodiments, the filter tube is detachably connected with the pipe network, and the water outlet tube is detachably connected with the pipe network.
In some of these embodiments, filtration membrane laminating in the periphery of filter tube, the edge that filter membrane is close to pipe network one side and deviates from the edge of pipe network one side and all can dismantle through fastening connection spare and connect in the filter tube respectively.
In some embodiments, the water pumping device is a vacuum pump, an inlet of the vacuum pump is connected with the water outlet pipe, and an outlet of the vacuum pump is connected with the flow guide pipe.
The invention also provides a drainage method of the sludge drainage system for the mud barge, which comprises the following steps:
placing a water filtering component and a liquid level meter in a sludge storage space of the hopper, positioning a filter pipe at the lower side of a pipe network when placing the water filtering component, connecting a water pumping device to a water outlet pipe, connecting a flow guide pipe to the water pumping device, and extending one end of the flow guide pipe, which is far away from the water pumping device, out of the hopper;
in the process of conveying the sludge into the sludge storage space, the liquid level meter monitors the liquid level height in the sludge storage space in real time and sends the liquid level height to the controller;
the controller is internally pre-stored with a preset minimum liquid level required by submerging all the permeable holes, when the liquid level height sent by the liquid level meter received by the controller is increased to the preset minimum liquid level, the controller controls the water pumping equipment to start, the water pumping equipment discharges water in the sludge through the permeable holes, the filter pipes, the pipe network, the water outlet pipe and the flow guide pipe to discharge sludge, and the sludge is continuously sent into the sludge storage space in the water discharging process;
when the design bearing height of the sludge barge is observed to be reached on the surface of the sludge after drainage, the controller is utilized to control the water pumping equipment to be closed, and the water filtering component is lifted away from the sludge barge.
Compared with the prior art, the invention has the advantages and positive effects that:
1. according to the sludge drainage system for the mud barge, the liquid level height in the sludge storage space in the mud barge is detected through the arranged liquid level meter, so that the water pumping equipment is controlled to be started through the controller, under the water pumping power provided by the water pumping equipment, water in the sludge enters the filter pipe through the water permeable holes of the filter pipe and is collected to the water outlet pipe through the pipe network through the water permeable holes of the filter pipe through the matching of the filter pipe and the filter membrane immersed in the sludge, the mud barge is discharged through the flow guide pipe, the sludge is solidified, and the sludge in the mud barge is effectively drained, so that the primary sludge carrying capacity of the mud barge is greatly improved, the sludge transportation frequency is reduced, the transportation efficiency is improved, the transportation cost is saved, meanwhile, the diffusion speed of the solidified sludge is greatly reduced in the process of discharging the open sea, the pollution to the environment can be effectively reduced, the solidified sludge can also be used as a backfill material for reclamation of the enclosed sea, the sludge utilization is realized, and good economic and environmental benefits are achieved;
2. the sludge drainage system for the hopper barge provided by the invention can be directly placed in the existing hopper barge for use, the entering direction of sludge into the hopper barge is not limited, the hopper barge is not required to be modified, and the application range is wide.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a front view of one embodiment of a sludge drainage system for a hopper barge according to the invention when placed in the hopper barge;
FIG. 2 is a top view of one embodiment of the sludge drainage system for the hopper barge according to the present invention, as placed in the hopper barge;
FIG. 3 is a bottom view of a pipe network and a filter pipe connected in one embodiment of the sludge drainage system for a hopper barge according to the present invention;
FIG. 4 is a schematic view showing a connection structure of a pipe network and a filter pipe in one embodiment of the sludge drainage system for the hopper barge according to the present invention;
FIG. 5 is a schematic view of the connection structure of the pipe network and the water outlet pipe in one embodiment of the sludge drainage system for the hopper barge according to the invention;
FIG. 6 is a schematic diagram of a filter tube in an embodiment of the sludge drainage system for a hopper barge according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 1 at A;
FIG. 8 is a schematic view of a water filter assembly in another embodiment of the sludge drainage system for a mudbarge according to the invention;
fig. 9 is a top view of yet another embodiment of the sludge drainage system for the hopper of the present invention when placed in the hopper.
In the figure:
1. carrying out mud barge; 2. a water filtration assembly; 3. a water pumping device; 4. a flow guide pipe; 5. a connecting rod;
11. a sludge storage space;
21. pipe network; 211. a transverse conduit; 212. a longitudinal conduit; 213. a multi-way joint; 214. a first sealing tape; 215. a second sealing tape; 216. a third sealing tape; 22. a filter tube; 221. water permeable holes; 23. a filtration membrane; 24. a water outlet pipe; 25. and fastening the connecting piece.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "lateral," "longitudinal," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and are not to be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7, in one exemplary embodiment of the sludge drainage system for the hopper according to the present invention, the sludge drainage system for the hopper includes a water filtering assembly 2, a water pumping device 3, a draft tube 4, a liquid level meter and a controller; the water filtering component 2 is placed in the sludge storage space 11 of the hopper 1 and is used for filtering water in the sludge, and comprises a pipe network 21, a filtering pipe 22, a filtering membrane 23 and a water outlet pipe 24; the pipe network 21 is used for collecting water in the filter pipe 22; the filter tubes 22 are multiple, the upper ends of the filter tubes 22 are connected to the same side of the pipe network 21 and communicated with the pipe network 21, the lower ends of the filter tubes 22 are sealed to be submerged in sludge, and the periphery of each filter tube 22 is provided with a plurality of water permeable holes 221; the filtering membrane 23 is used for filtering water and blocking sludge, the filtering membranes 23 and the filtering pipes 22 are arranged in a one-to-one correspondence manner, and the filtering membranes 23 are wrapped on the periphery of the part, provided with the water permeable holes 221, of the filtering pipes 22; the water outlet pipe 24 is used for guiding out water in the pipe network 21, and one end of the water outlet pipe is connected to the pipe network 21 and communicated with the pipe network 21; the pumping equipment 3 is used for providing drainage power and is connected to one end of the water outlet pipe 24 far away from the pipe network 21; one end of the draft tube 4 is connected with the pumping equipment 3, and the other end of the draft tube extends out of the hopper 1 so as to discharge water pumped by the pumping equipment 3; the liquid level meter is arranged in the sludge storage space 11 and is used for detecting the liquid level height in the sludge storage space 11; the controller is connected with the liquid level meter and the pumping equipment 3 respectively to receive the liquid level detected by the liquid level meter and control the on-off of the pumping equipment 3.
The sludge drainage system for the sludge barge detects the liquid level height in the sludge storage space 11 in the sludge barge 1 through the arranged liquid level meter, thereby controlling the water pumping device 3 to be started through the controller, under the water pumping power provided by the water pumping device 3, through the matching of the filter tube 22 and the filter membrane 23 immersed in the sludge, the water in the sludge enters the filter tube 22 through the water permeable hole 221 of the filter tube 22, and is collected to the water outlet tube 24 through the pipe network 21, the sludge barge 1 is discharged through the flow guide tube 4, the sludge is solidified, the effective drainage of the sludge in the sludge barge 1 is realized, the primary sludge carrying capacity of the sludge barge 1 is greatly improved, the sludge transportation frequency is reduced, the transportation efficiency is improved, the transportation cost is saved, meanwhile, the solidified sludge is in the open sea discharge process, the diffusion speed is greatly reduced, the pollution to the environment can be effectively reduced, the solidified sludge can also be used as backfill material for land reclamation, the sludge waste utilization is realized, and the sludge waste utilization has good economic and environmental benefits. The sludge drainage system for the sludge barge can be directly placed in the existing sludge barge 1 for use, the entering direction of the sludge into the sludge barge 1 is not limited, the sludge barge 1 is not required to be modified, and the application range is wide.
Referring to fig. 3, in the present embodiment, the pipe network 21 includes a plurality of transverse pipes 211 disposed along a transverse direction and a plurality of longitudinal pipes 212 disposed along a longitudinal direction, and the plurality of transverse pipes 211 and the plurality of longitudinal pipes 212 are in cross communication with each other to form a net shape. It should be noted that the transverse conduit 211 and the longitudinal conduit 212 may be plastic pipes or steel pipes. In this embodiment, as shown in fig. 4, the transverse conduit 211 and the longitudinal conduit 212 are made of plastic tubes, the transverse conduit 211 and the longitudinal conduit 212 are inserted into each other through a multi-way joint 213 to form a pipe network 21, and in order to ensure sealing performance, first sealing strips 214 are disposed at joints of the multi-way joint 213 and the transverse conduit 211 and the longitudinal conduit 212. The transverse conduit 211 and the longitudinal conduit 212 form the pipe network 21 in a splicing manner, and the size of the pipe network 21 can be flexibly adjusted according to needs. It is understood that a flange connection, a threaded connection, a weld, or the like may be used between the transverse conduit 211 and the longitudinal conduit 212.
Furthermore, in order to facilitate assembly of the water filtering assembly 2, the filtering pipe 22 is detachably connected with the pipe network 21, and the water outlet pipe 24 is detachably connected with the pipe network 21. It should be noted that the filter tube 22 and the outlet tube 24 can be made of plastic or steel tubes. As shown in fig. 4, in this embodiment, the filter tube 22 is inserted into the pipe network 21 through the multi-way joint 213, and a second sealing strip 215 is disposed at a joint of the multi-way joint 213 and the filter tube 22 to ensure sealing performance. As shown in fig. 5, in this embodiment, the water outlet pipe 24 is inserted into the pipe network 21 through the multi-way joint 213, and in order to ensure the sealing performance, a third sealing strip 216 is disposed at a connection position between the multi-way joint 213 and the water outlet pipe 24. It is understood that the filter pipe 22 and the pipe network 21 may be connected by flanges, threads, or welding, and the outlet pipe 24 and the pipe network 21 may be connected by flanges, threads, or welding.
Referring to fig. 3, in the present embodiment, each lateral conduit 211 is connected to a plurality of filter tubes 22, and the plurality of filter tubes 22 connected to the same lateral conduit 211 are arranged in a row along the extending direction of the lateral conduit 211; each longitudinal conduit 212 is connected with a plurality of filter tubes 22, and the filter tubes 22 connected with the same longitudinal conduit 212 are arranged in a row along the extending direction of the longitudinal conduit 212; the filter tubes 22 are perpendicular to the transverse conduits 211 and the longitudinal conduits 212. When the filter pipes 22 are arranged in this way, the filter pipes 22 are easy to sink into the sludge when the water filtering assembly 2 is placed in the sludge storage space 11 of the hopper 1, and the water filtering assembly 2 is convenient to take out from the solidified sludge after the drainage is finished.
Referring to fig. 7, in this embodiment, the filtering membrane 23 is attached to the periphery of the filtering tube 22, and the edge of the filtering membrane 23 close to one side of the pipe network 21 and the edge of the filtering membrane 23 away from one side of the pipe network 21 are detachably connected to the filtering tube 22 through fastening connectors 25, so that the filtering membrane 23 can be replaced in time after the filtering membrane 23 is used for a period of time or is damaged. The fastening connector 25 may be a clip, a band, or the like.
In the sludge drainage system for the hopper, it should be further noted that the pumping device 3 is a vacuum pump, an inlet of the vacuum pump is connected to the water outlet pipe 24, and an outlet of the vacuum pump is connected to the flow guide pipe 4. The liquid level meter can be a conventional liquid level meter, such as an ultrasonic liquid level meter. The controller can be a conventional PLC controller.
In another exemplary embodiment of the sludge drainage system for mudbarge according to the present invention, as shown in fig. 8, a connecting rod 5 is connected between two adjacent filter tubes 22 in the same row and between two adjacent filter tubes 22 in the same column, and the connection point between the connecting rod 5 and the filter tube 22 is located at the part of the filter tube 22 not wrapping the filter membrane 23. The connecting rods 5 are arranged to connect two adjacent filter pipes 22, so that the connection between the filter pipes 22 can be reinforced, and the structure of the water filtering component 2 is more stable. Preferably, the connecting rods 5 are located on the side of the filtering membrane 23 close to the pipe network 21 and are arranged close to the filtering membrane 23, so as to avoid that the connecting rods 5 sink too deeply into the sludge, facilitating the extraction of the water filtering assembly 2. It will be appreciated that the connecting rods 5 may also be arranged at the end of the filter tubes 22 remote from the network 21, which connecting rods 5 are more stable in connection, although they are less convenient to arrange when removing the water filter assembly 2.
In a further exemplary embodiment of the sludge drainage system for the mudbarge according to the present invention, as shown in fig. 9, a plurality of water filter assemblies 2 are provided, the pipe networks 21 of the plurality of water filter assemblies 2 are sequentially communicated through the water outlet pipe 24, and the water pumping device 3 is connected to the water outlet pipe 24 of the water filter assembly 2 at the end. Adopt the mode of a plurality of water filtering component 2 series connection, can refute 1 volume according to mud and adjust water filtering component 2 in a flexible way, application scope is wider.
Based on the sludge drainage system for the mud barge, the invention also provides a drainage method of the sludge drainage system, which comprises the following steps:
s1, placing a water filtering component 2 and a liquid level meter in a sludge storage space 11 of a sludge barge 1, enabling a filter pipe 22 to be positioned at the lower side of a pipe network 21 (namely, the pipe network 21 is in a horizontal state, and the filter pipe 22 is in a vertical state and is placed down) when the water filtering component 2 is placed, connecting a water pumping device 3 to a water outlet pipe 24, connecting a flow guide pipe 4 to the water pumping device 3, and extending one end of the flow guide pipe 4, which is far away from the water pumping device 3, out of the sludge barge 1;
s2, in the process of conveying the sludge into the sludge storage space 11, monitoring the liquid level height in the sludge storage space 11 in real time by a liquid level meter and sending the liquid level height to a controller;
s3, pre-storing a preset lowest liquid level required by the fact that all the water permeable holes 221 are not filled in the controller, when the height of the liquid level sent by a liquid level meter received by the controller is increased to the preset lowest liquid level, controlling the water pumping device 3 to be started by the controller, discharging water in sludge out of the sludge hopper 1 through the water permeable holes 221, the filter pipes 22, the pipe network 21, the water outlet pipe 24 and the flow guide pipe 4 by the water pumping device 3, and continuously conveying the sludge into the sludge storage space 11 in the drainage process;
and S4, when the surface of the drained sludge reaches the designed bearing height of the sludge barge 1, controlling the water pumping equipment 3 to be closed by using the controller, and lifting the water filtering component 2 away from the sludge barge 1.
When sludge is found in the discharged water, it is described that the filter membrane 23 is broken, and at this time, it is necessary to stop the water discharge, lift the water filter module 2, and replace the broken filter membrane 23. When the drainage efficiency is found to be remarkably reduced, the blockage of the filtering membrane 23 is serious, and at the moment, the drainage needs to be stopped, the water filtering component 2 is hoisted, and the blocked filtering membrane 23 is replaced.
Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the invention, it is intended to cover all modifications within the scope of the invention as claimed.
Claims (10)
1. A silt drainage system for a hopper, comprising:
a water filtration assembly disposed within the hopper sludge storage space for filtering water from the sludge, comprising:
a pipe network;
the upper ends of the filter tubes are connected to the same side of the pipe network and are communicated with the pipe network, the lower ends of the filter tubes are sealed to sink into sludge, and a plurality of water permeable holes are formed in the periphery of each filter tube;
the filtering membranes are arranged in one-to-one correspondence to the filtering pipes and wrap the peripheries of the filtering pipes, which are provided with the water permeable hole parts;
one end of the water outlet pipe is connected to the pipe network and communicated with the pipe network;
the water pumping equipment is connected to one end, far away from the pipe network, of the water outlet pipe;
one end of the flow guide pipe is connected with the water pumping equipment, and the other end of the flow guide pipe extends out of the sludge hopper so as to discharge water pumped by the water pumping equipment;
the liquid level meter is arranged in the sludge storage space and used for detecting the liquid level height in the sludge storage space;
and the controller is respectively connected with the liquid level meter and the pumping equipment so as to receive the liquid level height detected by the liquid level meter and control the on-off of the pumping equipment.
2. The sludge drainage system for the mudbarge according to claim 1, wherein the number of the water filtering components is multiple, the pipe networks of the water filtering components are sequentially communicated through the water outlet pipe, and the water pumping equipment is connected to the water outlet pipe of the water filtering component at the tail end.
3. The sludge drainage system for the hopper barge according to claim 1 or 2, wherein the pipe network comprises a plurality of transverse guide pipes arranged along the transverse direction and a plurality of longitudinal guide pipes arranged along the longitudinal direction, and the plurality of transverse guide pipes and the plurality of longitudinal guide pipes are mutually communicated in a cross way to form a net shape.
4. The sludge drainage system for pugging according to claim 3, wherein each of said transverse conduits connects a plurality of said filter tubes, and wherein said filter tubes connected to the same one of said transverse conduits are arranged in a row along the extension direction of said transverse conduit; each longitudinal conduit is connected with a plurality of filter tubes, and the filter tubes connected with the same longitudinal conduit are arranged in a row along the extending direction of the longitudinal conduit; the filter tubes are perpendicular to the transverse and longitudinal conduits.
5. The sludge drainage system for the mud barge according to claim 4, wherein connecting rods are connected between two adjacent filter tubes in the same row and between two adjacent filter tubes in the same column, and the connecting points of the connecting rods and the filter tubes are positioned at the parts of the filter tubes, which are not wrapped by the filter membranes.
6. The sludge drainage system for the hopper as recited in claim 5, wherein the connecting rods are located on one side of the filtering membrane near the pipe network and are disposed near the filtering membrane.
7. The sludge drainage system for the hopper as recited in claim 1 or 2, wherein the filter pipe is detachably connected with the pipe network, and the water outlet pipe is detachably connected with the pipe network.
8. The sludge drainage system for the hopper barge according to claim 1 or 2, wherein the filtering membrane is attached to the periphery of the filtering pipe, and the edge of the filtering membrane close to one side of the pipe network and the edge of the filtering membrane far away from one side of the pipe network are detachably connected to the filtering pipe through fastening connecting pieces respectively.
9. The sludge drainage system for the mud barge according to claim 1 or 2, wherein the water pumping device is a vacuum pump, an inlet of the vacuum pump is connected with the water outlet pipe, and an outlet of the vacuum pump is connected with the flow guide pipe.
10. A method of draining a mud barge sludge drainage system as claimed in any one of claims 1 to 9, including the steps of:
placing the water filtering component and the liquid level meter in a sludge storage space of the hopper, positioning the filter pipe at the lower side of the pipe network when placing the water filtering component, connecting the water pumping equipment to the water outlet pipe, connecting the flow guide pipe to the water pumping equipment, and extending one end of the flow guide pipe, which is far away from the water pumping equipment, out of the hopper;
in the process of conveying the sludge into the sludge storage space, the liquid level meter monitors the liquid level height in the sludge storage space in real time and sends the liquid level height to the controller;
the controller is internally pre-stored with a preset minimum liquid level required by all the water permeable holes, when the liquid level height sent by the liquid level meter received by the controller is increased to the preset minimum liquid level, the controller controls the water pumping equipment to start, the water pumping equipment discharges water in the sludge out of the sludge hopper through the water permeable holes, the filter pipes, the pipe network, the water outlet pipe and the flow guide pipe, and the sludge is continuously fed into the sludge storage space in the drainage process;
and when the surface of the sludge after drainage reaches the designed bearing height of the sludge barge, controlling the water pumping equipment to be closed by using the controller, and lifting the water filtering component away from the sludge barge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211263759.XA CN115324143A (en) | 2022-10-17 | 2022-10-17 | Sludge drainage system for mud barge and drainage method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211263759.XA CN115324143A (en) | 2022-10-17 | 2022-10-17 | Sludge drainage system for mud barge and drainage method thereof |
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| GB191028062A (en) * | 1910-12-02 | 1911-03-23 | Franklin Wise Howorth | Improvements in or relating to Suction Dredgers and the like Vessels. |
| JP2005090005A (en) * | 2003-09-12 | 2005-04-07 | Ube Kogyo Kk | Method and device for separating solid and liquid |
| CN101357817A (en) * | 2008-09-11 | 2009-02-04 | 中国科学院武汉岩土力学研究所 | A three-dimensional network drainage device that accelerates the drainage and consolidation speed of dredged silt |
| CN108560626A (en) * | 2018-04-23 | 2018-09-21 | 佛山市博知盾识科技有限公司 | A kind of environment-friendly engineering construction mud sewage transport device |
| CN110482820A (en) * | 2019-08-01 | 2019-11-22 | 安徽其霖环境工程技术有限公司 | A kind of sludge in-situ dewatering system |
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2022
- 2022-10-17 CN CN202211263759.XA patent/CN115324143A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191028062A (en) * | 1910-12-02 | 1911-03-23 | Franklin Wise Howorth | Improvements in or relating to Suction Dredgers and the like Vessels. |
| JP2005090005A (en) * | 2003-09-12 | 2005-04-07 | Ube Kogyo Kk | Method and device for separating solid and liquid |
| CN101357817A (en) * | 2008-09-11 | 2009-02-04 | 中国科学院武汉岩土力学研究所 | A three-dimensional network drainage device that accelerates the drainage and consolidation speed of dredged silt |
| CN108560626A (en) * | 2018-04-23 | 2018-09-21 | 佛山市博知盾识科技有限公司 | A kind of environment-friendly engineering construction mud sewage transport device |
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Application publication date: 20221111 |